Device and method for delivery of a physiologically active substance depending on a measured physiological parameter
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United States of America Patent
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Nov 6, 2012
Grant Date -
Jan 1, 2009
app pub date -
Mar 29, 2006
filing date -
Mar 29, 2005
priority date (Note) -
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Abstract
A device for delivery of glucose-regulating medication, particularly insulin, depending on the measured tissue glucose concentration, having a sensor for measuring the glucose concentration in tissue fluid, possibly a unit for removing fluid from subcutaneous tissue, as well as a container for the glucose-regulating medications, having a unit for subcutaneous delivery of the glucose-regulating medications, and having a unit connected to the glucose sensor for regulating the quantity of the glucose-regulating medication to be delivered depending on the measured tissue glucose concentrations. The device simulates the function of the natural pancreas and is constructed small and compact. The sensor for measuring the tissue glucose concentration or the unit for removing the tissue fluid is combined with the delivery unit for subcutaneous delivery of the glucose-regulating medication, particularly in a shared catheter, so that the measurement of the tissue glucose concentration is essentially performed at the location of the delivery of the glucose-regulating medication.
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